The move was not without controversy. FIFA is still reeling from a corruption scandal involving former president Sepp Blatter. And the bigger tournament could lead to exhausted players and less prestige, since it'll be easier to qualify. It'll also make it harder for smaller nations to host the event.

FIFA President Gianni Infantino speaks during a news briefing ahead of the draw for the soccer Confederations Cup 2017, in Kazan, Russia, Saturday, Nov. 26, 2016. The tournament will be played June 17 through July 2, 2017 in four Russian cities. (AP Photo/Ivan Sekretarev)

But expansion is good news for Africa, Asia and Caribbean nations who are typically underrepresented at the big event. And expansion means at least $1 billion in revenue just from the group stages, by FIFA's estimate.

The FIFA Council unanimously decided on a 48-team #WorldCup as of 2026:16 groups of 3 teams. Details to follow after the meeting.